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Some common web browsers are ‘Netscape Navigator’, ‘Mozilla’, ‘Opera’, ‘Apple Safari’, ‘Google
Chrome’, ‘Lynx’ (Text only mode web browser) etc., Mosaic was the first graphical web browser.
Chrome Microsoft Edge Opera Safari Firefox
Web Server
A web server is the principal computer or server that stores the contents of different websites.
It provides data and information to computers on request which are connected to it through the
Internet. In other words, it can be said that it is a computer that stores data and runs software that is
designed to send web pages in file format when requested by web browsers. The server is usually a
computer of high configuration i.e., with large storage capacity and high-speed processor that stores
data and executes the instructions very fast.
Web Client
A client is any computer that requests information from the server and a web server is a computer that
stores the data & the source application. It is designed to accept requests from remote computers
and respond or send on the information as requested.
A web client is actually the browser on client’s computer that makes the requests to the remote
server. A computer that uses a web (Client) browser is referred to as a web client.
CLIENT-SERVER ARCHITECTURE
Client-server architecture is defined as an arrangement of computers in which several computers are
requesting for some web pages/resources from a centralised computer, also known as web server.
The server then responds by giving the requested web pages/resources to the clients. Following
figure shows the client-server architecture:
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20 20 2 20
FaceTime Calendarr C en l a d a Ph Photosotos ai M Maill
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Internet
Weather Notes Notes Reminders Reminders App Store App Store
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Clients
Server
Web Programming 9

